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 Hebei Zhongqing Machinery Co., Ltd. is a manufacturer specialized in producing and machining cast iron and steel with experience of more than 20 years.Products are widely used for engineering machinery, railway and heat treatment equipment, which are all exported to USA, Europe and Japan.Production technique: resin sand casting, investment casting, clay sand casting, shell casting.Available material: carbon alloy steel, heat-resistant alloy steel, heat-wear steel, grey iron, ductile iron, alloy cast iron, low temperature alloy iron.Test equipment: spectrometer, tensile test equipment, low-temperature impact equipment, hardness tester, MT equipment, UT equipment.Hebei Zhongqing Machinery Co.,Ltd. is an OEM foundry specialized in m......